package com.atguigu.lease.web.admin.service.impl;

import com.atguigu.lease.common.minio.MinioConfiguration;
import com.atguigu.lease.common.minio.MinioProperties;
import com.atguigu.lease.web.admin.service.FileService;
import io.minio.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;

@Service
public class FileServiceImpl implements FileService {
    @Autowired
    MinioConfiguration minioConfiguration;
    @Autowired
    MinioProperties minioProperties;
    @Override
    public String upload(MultipartFile file)throws Exception {
        MinioClient minioClient = minioConfiguration.minioClient();
        System.out.println(minioClient);
        boolean b = minioClient.bucketExists(BucketExistsArgs.builder().bucket(minioProperties.getBucketName()).build());
        if(!b)
        {
            minioClient.makeBucket(MakeBucketArgs.builder().bucket(minioProperties.getBucketName()).build());
            String formatted = """
                    {
                      "Statement" : [ {
                        "Action" : "s3:GetObject",
                        "Effect" : "Allow",
                        "Principal" : "*",
                        "Resource" : "arn:aws:s3:::%s/*"
                      } ],
                      "Version" : "2012-10-17"
                    }
                    """.formatted(minioProperties.getBucketName());
            minioClient.setBucketPolicy(SetBucketPolicyArgs.builder().
                    bucket(minioProperties.getBucketName()).
                    config(formatted).
                    build());
        }
        String fileName= UUID.randomUUID().toString()+new SimpleDateFormat("yy-MM-dd").format(new Date())+"-"+file.getOriginalFilename();
        minioClient.putObject(PutObjectArgs.builder().bucket(minioProperties.getBucketName())
                        .object(fileName)
                        .stream(file.getInputStream(),file.getSize(),-1)
                        .contentType(file.getContentType())
                .build());
        return String.join("/",minioProperties.getEndpoint(),minioProperties.getBucketName(),fileName);

    }
}
